3-4(2x+4)=7x-9

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Solution for 3-4(2x+4)=7x-9 equation:


Simplifying
3 + -4(2x + 4) = 7x + -9

Reorder the terms:
3 + -4(4 + 2x) = 7x + -9
3 + (4 * -4 + 2x * -4) = 7x + -9
3 + (-16 + -8x) = 7x + -9

Combine like terms: 3 + -16 = -13
-13 + -8x = 7x + -9

Reorder the terms:
-13 + -8x = -9 + 7x

Solving
-13 + -8x = -9 + 7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.
-13 + -8x + -7x = -9 + 7x + -7x

Combine like terms: -8x + -7x = -15x
-13 + -15x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
-13 + -15x = -9 + 0
-13 + -15x = -9

Add '13' to each side of the equation.
-13 + 13 + -15x = -9 + 13

Combine like terms: -13 + 13 = 0
0 + -15x = -9 + 13
-15x = -9 + 13

Combine like terms: -9 + 13 = 4
-15x = 4

Divide each side by '-15'.
x = -0.2666666667

Simplifying
x = -0.2666666667

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